"I finished last season on a promising note by laying my cards on the table — at least to Sansa," he explained.

"I was [sowing seeds of doubt about Jon Snow] throughout my appearances in season 6, and, yeah, that will continue. It's pretty obvious what my game is there.

"We're playing out that final exchange in the Great Hall in Winterfell. But the same time my character is becoming quite aware that Sansa is becoming as bright as me and just as wary of my manipulations of her."